What is the CVSS score of CVE-2026-3732?

CVE-2026-3732 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of F453 Firmware are affected by CVE-2026-3732?

CVE-2026-3732 is a critical remote code execution vulnerability affecting Tenda F453 wireless routers that allows unauthenticated attackers to execute arbitrary commands.

Is there a public PoC exploit available for CVE-2026-3732?

Yes, a public proof-of-concept exploit is available for CVE-2026-3732. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-3732?

Within 24 hours: Identify and inventory all Tenda F453 devices in your network and isolate them from critical systems pending remediation. Within 7 days: Evaluate replacement hardware or firmware alternatives; contact Tenda for patch availability and timeline; implement compensating controls listed below. Within 30 days: Replace affected Tenda F453 devices with patched alternatives or migrate to alternative vendor equipment; verify remediation across all affected instances.

F453 Firmware CVE-2026-3732

HIGH

Buffer Overflow (CWE-119)

2026-03-08 cna@vuldb.com

Buffer Overflow Stack Overflow F453 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Mar 09, 2026 - 15:19 vuln.today

Public exploit code

CVE Published

Mar 08, 2026 - 11:15 nvd

HIGH 8.8

DescriptionCVE.org

A security vulnerability has been detected in Tenda F453 1.0.0.3. This affects the function strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

AnalysisAI

Stack-based buffer overflow in Tenda F453 firmware allows unauthenticated remote attackers to execute arbitrary code through the cmdinput parameter in the /goform/exeCommand function, with public exploit code already available. The vulnerability affects F453 firmware version 1.0.0.3 and has a CVSS score of 8.8, enabling complete compromise of affected devices without requiring user interaction. No patch is currently available.

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects F453 Firmware. A security vulnerability has been detected in Tenda F453 1.0.0.3. This affects the function strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.